CA2476897A1 - Fastener having recess useable with multiple drivers and method of manufacture - Google Patents
Fastener having recess useable with multiple drivers and method of manufacture Download PDFInfo
- Publication number
- CA2476897A1 CA2476897A1 CA002476897A CA2476897A CA2476897A1 CA 2476897 A1 CA2476897 A1 CA 2476897A1 CA 002476897 A CA002476897 A CA 002476897A CA 2476897 A CA2476897 A CA 2476897A CA 2476897 A1 CA2476897 A1 CA 2476897A1
- Authority
- CA
- Canada
- Prior art keywords
- recess
- fastener
- distance
- driver
- head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims 5
- 238000004519 manufacturing process Methods 0.000 title 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
- F16B23/0092—Specially shaped nuts or heads of bolts or screws for rotations by a tool with a head engageable by two or more different tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B15/00—Screwdrivers
- B25B15/001—Screwdrivers characterised by material or shape of the tool bit
- B25B15/004—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section
- B25B15/005—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section with cross- or star-shaped cross-section
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B15/00—Screwdrivers
- B25B15/001—Screwdrivers characterised by material or shape of the tool bit
- B25B15/004—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section
- B25B15/008—Allen-type keys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
- F16B23/0007—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool
- F16B23/0023—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool substantially cross-shaped
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Forging (AREA)
- Devices For Opening Bottles Or Cans (AREA)
Abstract
A fastener (13) is described having a head (15) formed with a recess (30) which accommodates a square head driver, symmetrical drivers, such as PHILLIPSTM STYLE DRIVER, asymmetrical style cross head drivers, such as POZIDRIVTM style drivers, and combination square and cross drivers without compromising performance of the drivers.
Claims (23)
1. A fastener having a recess constructed in the head thereof for engagement with a driver, said recess comprising:
a first portion constructed to receive a driver in torque transmitting engagement, wherein said driver is one of a group constructed in accordance with the industry standard for type I cross recessed fasteners or for type Ia cross recessed fasteners; and a second portion constructed to receive a driver in torque transmitting engagement, wherein said driver is constructed in accordance with the industry standard for type III square recessed fasteners.
a first portion constructed to receive a driver in torque transmitting engagement, wherein said driver is one of a group constructed in accordance with the industry standard for type I cross recessed fasteners or for type Ia cross recessed fasteners; and a second portion constructed to receive a driver in torque transmitting engagement, wherein said driver is constructed in accordance with the industry standard for type III square recessed fasteners.
2. A fastener having a recess constructed in the head thereof for engagement with a driver, as described in claim 1, wherein said first portion is constructed having cross slots formed by opposing walls which comprise the driving surfaces of said fastener, wherein adjacent opposing walls symmetrically converge from said top to said bottom to form an included angle according to the standard for type Ia cross recess fasteners.
3. A fastener having a recess constructed in the head thereof for engagement with a driver, as described in claim 2, wherein said included angle is 2.5 degrees.
4. A fastener having a recess constructed in the head thereof for engagement with a driver, as described in claim 2, wherein said adjacent opposing walls are each inclined at an angle of 1.25 degrees to the vertical to cause said convergence.
5. A fastener having a recess constructed in the head thereof for engagement with a driver, as described in claim 1, wherein said first recess has an overall geometry and is formed to a first depth and said second recess is formed to a second depth, said second depth being less than said first depth, thereby forming said second recess within said geometry of said first recess.
6. A fastener having a recess constructed in the head thereof and extending a first distance from a top and to a bottom for engagement with a driver, said recess comprising:
a cross slotted portion, having an overall cross slot geometry, and extending said first distance from said top to said bottom of said recess, said slots being formed by opposing walls, wherein said opposing walls converge symmetrically, from said top to said bottom, at an included angle according to the standard for type Ia fasteners.
a cross slotted portion, having an overall cross slot geometry, and extending said first distance from said top to said bottom of said recess, said slots being formed by opposing walls, wherein said opposing walls converge symmetrically, from said top to said bottom, at an included angle according to the standard for type Ia fasteners.
7. A fastener having a recess constructed in the head thereof and extending a first distance from a top and to a bottom for engagement with a driver, said recess, as described in claim 6, wherein said included angle is 2.5 degrees.
8. A fastener having a recess constructed in the head thereof and extending a first distance from a top and to a bottom for engagement with a driver, said recess, as described in claim 6, wherein said adjacent opposing walls are each inclined at an angle of 1.25 degrees to the vertical to cause said convergence.
9. A fastener having a recess constructed in the head thereof and extending a first distance from a top and to a bottom for engagement with a driver, said recess as described in claim 6, further comprising:
a square portion, having an overall square geometry, extending a second distance, that is less than said first distance, wherein said overall square geometry is within said overall cross slot geometry.
a square portion, having an overall square geometry, extending a second distance, that is less than said first distance, wherein said overall square geometry is within said overall cross slot geometry.
10. A method of forming a recess in the head of a fastener comprising the steps of:
forming a cross slotted recess portion into said fastener head extending a first depth from a top and a bottom, and having an overall cross slot geometry, said slots being formed by opposing walls, wherein said opposing walls converge symmetrically, from said top to said bottom, at an included angle according to the standard for type Ia fasteners.
forming a cross slotted recess portion into said fastener head extending a first depth from a top and a bottom, and having an overall cross slot geometry, said slots being formed by opposing walls, wherein said opposing walls converge symmetrically, from said top to said bottom, at an included angle according to the standard for type Ia fasteners.
11. A method of forming a recess in the head of a fastener, as described in claim 10, wherein said included angle is 2.5 degrees.
12. A method of forming a recess in the head of a fastener, as described in claim 10, wherein said opposing walls are each inclined at an angle of 1.25 degrees to the vertical to cause said convergence.
13 13. A method of forming a recess in the hear of a fastener, as described in claim 10, further comprising the step of:
forming a square recess portion into said fastener head extending a second depth from said top, and having an overall square geometry, wherein said second depth is less than said first depth, whereby said overall square geometry is within said overall cross slot geometry.
forming a square recess portion into said fastener head extending a second depth from said top, and having an overall square geometry, wherein said second depth is less than said first depth, whereby said overall square geometry is within said overall cross slot geometry.
14. A tool for forming a recess, said tool having a working portion extending from a shank to a tip a first distance, said working portion of said tool comprising:
a cross winged portion extending said first distance from said shank to said tip having an overall cross wing outer profile, said wings being formed by adjacent walls, wherein said adjacent walls converge, from said shank to said tip, symmetrically at an included angle according to the standard for type Ia fasteners.
a cross winged portion extending said first distance from said shank to said tip having an overall cross wing outer profile, said wings being formed by adjacent walls, wherein said adjacent walls converge, from said shank to said tip, symmetrically at an included angle according to the standard for type Ia fasteners.
15. A tool for forming a recess, said tool having a working portion extending from a shank to a tip a first distance, said working portion of said, as described in claim 14, wherein said included angle is 2.5 degrees.
16. A tool for forming a recess, said tool having a working portion extending from a shank to a tip a first distance, said working portion of said, as described in claim 14, wherein said opposing walls are each inclined at an angle of 1.25 degrees to the vertical to cause said convergence.
17. A tool for forming a recess, said tool having a working portion extending from a shank to a tip a first distance, said working portion of said tool, as described in claim 14, further comprising:
a square portion, having an overall square outer profile, extending a second distance, that is less than said first distance, wherein said overall square outer profile is within said overall cross wing outer profile.
a square portion, having an overall square outer profile, extending a second distance, that is less than said first distance, wherein said overall square outer profile is within said overall cross wing outer profile.
18. A tool for forming a recess, said tool having a working portion extending from a shank to a tip a first distance, said working portion of said tool, as described in claim 14, wherein the tool is used to form a recess in the head of a fastener.
19. A tool for forming a recess, said tool having a working portion extending from a shank to a tip a first distance, said working portion of said tool, as described in claim 14, wherein the tool is used to form a cavity in die.
20. A driver for engaging a recess in the head of a fastener in torque transmitting relation having an engagement portion extending from a shank to a tip a first distance, said engagement portion of said driver comprising:
a cross winged portion extending said first distance from said shank to said tip having an overall cross wing outer profile, said wings being formed by adjacent walls, wherein said adjacent walls converge, from said shank to said tip, symmetrically at an included angle according to the standard for type Ia fasteners; and a square portion, having an overall square outer profile, extending a second distance, that is less than said first distance, wherein said overall square outer profile is within said overall cross wing outer profile.
a cross winged portion extending said first distance from said shank to said tip having an overall cross wing outer profile, said wings being formed by adjacent walls, wherein said adjacent walls converge, from said shank to said tip, symmetrically at an included angle according to the standard for type Ia fasteners; and a square portion, having an overall square outer profile, extending a second distance, that is less than said first distance, wherein said overall square outer profile is within said overall cross wing outer profile.
21. A driver for engaging a recess in the head of a fastener in torque transmitting relation having an engagement portion extending from a shank to a tip a first distance, said engagement portion of said driver, as described in claim 20, wherein said square portion is formed by four walls extending at right angles to each other and having exposed sections extending between said adjacent walls of said wings.
22. A driver for engaging a recess in the head of a fastener in torque transmitting relation having an engagement portion extending from a shank to a tip a first distance, said engagement portion of said driver, as described in claim 10 wherein said included angle is 2.5 degrees.
23. A driver for engaging a recess in the head of a fastener in torque transmitting relation having an engagement portion extending from a shank to a tip a first distance, said engagement portion of said driver, as described in claim 10, wherein said opposing walls are each inclined at an angle of 1.25 degrees to the vertical to cause said convergence.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US36027002P | 2002-02-26 | 2002-02-26 | |
US60/360,270 | 2002-02-26 | ||
US10/153,547 US6890139B2 (en) | 2002-02-26 | 2002-05-21 | Fastener having recess useable with multiple drivers and method of manufacture |
US10/153,547 | 2002-05-21 | ||
PCT/US2003/005594 WO2003072309A1 (en) | 2002-02-26 | 2003-02-25 | Fastener having recess useable with multiple drivers and method of manufacture |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2476897A1 true CA2476897A1 (en) | 2003-09-04 |
CA2476897C CA2476897C (en) | 2011-09-20 |
Family
ID=27760054
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2476897A Expired - Lifetime CA2476897C (en) | 2002-02-26 | 2003-02-25 | Fastener having recess useable with multiple drivers and method of manufacture |
Country Status (10)
Country | Link |
---|---|
US (4) | US6890139B2 (en) |
EP (1) | EP1483085B1 (en) |
JP (1) | JP4340158B2 (en) |
CN (1) | CN100379524C (en) |
AU (1) | AU2003217692A1 (en) |
CA (1) | CA2476897C (en) |
ES (1) | ES2395106T3 (en) |
MX (1) | MXPA04008260A (en) |
TW (1) | TW584699B (en) |
WO (1) | WO2003072309A1 (en) |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4197599B2 (en) * | 2002-03-12 | 2008-12-17 | 勝行 戸津 | Combination of tamper-proof screw and screwdriver bit and header punch for tamper-proof screw manufacturing |
US7293949B2 (en) * | 2004-04-15 | 2007-11-13 | Phillips Screw Company | Spiral drive fastener with friction engageable surface |
US7255522B2 (en) * | 2004-10-07 | 2007-08-14 | Phillips Screw Company | Spiral drive fastener with engagement ramp |
US20060110237A1 (en) * | 2004-11-23 | 2006-05-25 | Richard Belinda | Spline drive fastener system |
DK1945958T3 (en) * | 2005-08-17 | 2013-06-03 | Uni Screw Worldwide Inc | Fasteners with multi-level countersinks and clamping tools with multi-level fasteners |
US7322265B2 (en) * | 2006-01-09 | 2008-01-29 | Chen Hang-Hui | Compound screwdriver head |
US20070207009A1 (en) * | 2006-03-06 | 2007-09-06 | Teng-Hung Lin | Screw with a recess in the head of the screw |
US8840349B2 (en) * | 2007-04-20 | 2014-09-23 | Fisher Controls International, Llc | Multi-tool adjusting screw |
US20090069103A1 (en) * | 2007-09-07 | 2009-03-12 | Taiwan Shan Yin Int'l Co. Ltd. | Punch and related recessed screw |
TWM341775U (en) * | 2008-04-11 | 2008-10-01 | Sheh Fung Screws Co Ltd | Screw with composite driving opening |
JP4990235B2 (en) * | 2008-07-16 | 2012-08-01 | 株式会社ベッセル工業 | Screwdriver tool |
US8166851B2 (en) * | 2008-08-15 | 2012-05-01 | Robert Bosch Gmbh | Combination driving tool for phillips and robertson fasteners |
JP5238076B2 (en) * | 2009-06-24 | 2013-07-17 | オーエスジーシステムプロダクツ株式会社 | Screw tightening structure, screw, and screw tightening tool |
CN102562755A (en) * | 2010-12-28 | 2012-07-11 | 鸿富锦精密工业(深圳)有限公司 | Fastener, driving piece matched with same and punch for forming fastener |
AU2012298762A1 (en) * | 2011-08-25 | 2014-03-13 | Infastech Intellectual Properties Pte. Ltd. | Tapered lobular driver and fastener |
GB201222688D0 (en) * | 2012-12-17 | 2013-01-30 | Depuy Ireland | A twist-drivable pin assembly |
EP2932929B1 (en) * | 2014-04-15 | 2017-02-08 | Biedermann Technologies GmbH & Co. KG | A screw element for use in spinal, orthopedic or trauma surgery and a system of such a screw element and a screw driver adapted thereto |
USD755042S1 (en) * | 2014-08-28 | 2016-05-03 | Josh Kalis | Skateboard truck bolt |
BR112017012818A2 (en) * | 2014-12-17 | 2018-01-02 | Res Engineering & Manufacturing Inc | fixative. |
JP6530632B2 (en) * | 2015-04-17 | 2019-06-12 | 日東精工株式会社 | Cross-hole for screw |
US11458071B2 (en) * | 2017-05-11 | 2022-10-04 | Scalpal Llc | Torque enhancer device for grasping and tooling, and assemblies and uses thereof |
EP3482090B1 (en) | 2016-07-11 | 2024-04-03 | Phillips Screw Company | Fastener system with stabilizer rib |
USD811868S1 (en) * | 2016-07-27 | 2018-03-06 | Katsuyuki Totsu | Screw |
DE102016119234A1 (en) * | 2016-10-10 | 2018-04-12 | Syntellix Ag | Screw drive with integrated torque lock |
DE102016123318B4 (en) * | 2016-12-02 | 2019-12-05 | Kamax Holding Gmbh & Co. Kg | High-strength lightweight screw with double contour attack as well as forming process and forming tool for manufacturing and actuating tool for operating such a screw |
US11969864B2 (en) | 2017-05-11 | 2024-04-30 | Scalpal Llc | Multi-tier torque enhancer driver and/or receiver and method of using same |
DE202017002786U1 (en) * | 2017-05-28 | 2017-07-06 | Mohammad Ali Naeemi Valipour | Screw with corresponding screwdriver or bit |
US10428859B2 (en) | 2017-06-05 | 2019-10-01 | The Hillman Group, Inc. | Combination recess for driven fastener |
EP3473865B1 (en) * | 2017-10-19 | 2023-08-30 | Hamilton Sundstrand Corporation | Nozzle assembly with filter for a servovalve |
US11466720B2 (en) * | 2017-12-15 | 2022-10-11 | Phillips Screw Company | Stick fit fastener recess system |
JP2019180673A (en) * | 2018-04-06 | 2019-10-24 | 株式会社ヨシオカ | Orthodontic implant device |
US11572915B2 (en) | 2018-06-25 | 2023-02-07 | The Hillman Group, Inc. | Screw-type fastener for cement board |
USD889951S1 (en) * | 2018-11-19 | 2020-07-14 | Katsuyuki Totsu | Screw |
US11821453B2 (en) | 2019-04-18 | 2023-11-21 | Sheh Fung Screws Co., Ltd. | Fastener having improved wobble control, fastening system including the same, and method of forming the same |
TWI705200B (en) * | 2019-11-19 | 2020-09-21 | 林英模 | Fastener |
TWI704982B (en) * | 2019-12-03 | 2020-09-21 | 鴻安國際興業有限公司 | Anti-slip fastener driver |
CA3169717A1 (en) * | 2020-02-11 | 2021-08-19 | Sheh Fung Screws Co., Ltd. | Fastener having improved wobble control, fastening system including the same, and method of forming the same |
TWI723772B (en) * | 2020-02-12 | 2021-04-01 | 精法精密工業股份有限公司 | Screw having a head with different sockets |
Family Cites Families (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US961515A (en) * | 1909-04-17 | 1910-06-14 | Robert A Montgomery | Wrench. |
US2046839A (en) | 1935-01-15 | 1936-07-07 | Phillips Screw Co | Screw |
US2082748A (en) | 1936-12-15 | 1937-06-01 | Continental Screw Company | Combined socket and slotted screw |
US2140449A (en) * | 1937-02-10 | 1938-12-13 | Continental Screw Company | Screw with socketed head and plurality of slots |
US2474994A (en) | 1942-12-30 | 1949-07-05 | American Screw Co | Screw socket |
US3028781A (en) * | 1958-06-26 | 1962-04-10 | Phillips Screw Co | Recessed head fastener with oblique recess |
US3108623A (en) * | 1959-05-05 | 1963-10-29 | Phillips Screw Co | Tools for recessed head fasteners |
US3238540A (en) * | 1961-05-26 | 1966-03-08 | Phillips Screw Co | Punch means for forming recesses in fastener heads and driving tools for said fasteners |
US3237506A (en) * | 1963-10-22 | 1966-03-01 | Phillips Screw Co | Recessed head fasteners |
US3972083A (en) * | 1971-10-31 | 1976-08-03 | P.L. Robertson Manufacturing Co. Ltd. | Punch for making recessed screw |
US3858261A (en) * | 1972-06-21 | 1975-01-07 | Iwao Uozumi | Punching tool for forming a cross-recess of a screw |
DE2534729A1 (en) * | 1974-08-17 | 1976-02-26 | Marian Iskra | SCREWDRIVER BLADE |
US4151621A (en) * | 1974-09-12 | 1979-05-01 | Phillips Screw Company | Tools for punching fastener heads |
GB1521141A (en) * | 1975-07-19 | 1978-08-16 | Gkn Fasteners Ltd | Threaded fastener |
US4126908A (en) * | 1975-07-19 | 1978-11-28 | Gill Peter J | Threaded fastener recess forming punch |
GB2092253B (en) * | 1981-02-02 | 1984-08-15 | Delson & Co Ltd | Improvements in screws and fasteners |
GB2098693B (en) | 1981-03-30 | 1984-09-12 | Isotech Consultants Inc | Screw driving socket and a punch for forming the socket |
US5258368A (en) * | 1984-04-19 | 1993-11-02 | Scios Nova, Inc. | Atrial natriuretic/vasodilator peptide compounds |
US5203742A (en) | 1991-07-26 | 1993-04-20 | Phillips Screw Company | Punch for making such screw heads with slant rib |
GB9200093D0 (en) * | 1992-01-04 | 1992-02-26 | Gill Peter J | Improved threaded fastener |
US5214987A (en) * | 1992-04-14 | 1993-06-01 | Fenton Sr John J | Screw fastener and driving tool |
US5358368A (en) * | 1993-09-09 | 1994-10-25 | General Signal Corporation | Screw with improved head design |
USD371947S (en) * | 1994-09-19 | 1996-07-23 | Cross Medical Products, Inc. | Screwdriver shaft |
FR2730530B1 (en) | 1995-02-14 | 1997-04-30 | Facom | SEPARABLE COUPLING AND TOOL THEREFOR |
US5674037A (en) * | 1996-07-30 | 1997-10-07 | Lu; Cheng-Chuan | Screw having an improved head structure |
EP0933538B1 (en) * | 1996-10-24 | 2006-08-09 | Katsuyuki Totsu | Screw, driver bit and header punch for manufacture of screw |
US6223634B1 (en) | 1997-10-03 | 2001-05-01 | Phillips Screw Company | Recessed head fastener and driver systems |
US5957645A (en) | 1997-10-31 | 1999-09-28 | Phillips Screw Company | Spiral drive system for threaded fasteners |
CN2448982Y (en) * | 2000-11-07 | 2001-09-19 | 高显智 | Concave head screw |
-
2002
- 2002-05-21 US US10/153,547 patent/US6890139B2/en not_active Expired - Lifetime
-
2003
- 2003-02-25 AU AU2003217692A patent/AU2003217692A1/en not_active Abandoned
- 2003-02-25 CN CNB038046202A patent/CN100379524C/en not_active Expired - Lifetime
- 2003-02-25 ES ES03713650T patent/ES2395106T3/en not_active Expired - Lifetime
- 2003-02-25 JP JP2003571042A patent/JP4340158B2/en not_active Expired - Fee Related
- 2003-02-25 WO PCT/US2003/005594 patent/WO2003072309A1/en active Application Filing
- 2003-02-25 EP EP03713650A patent/EP1483085B1/en not_active Expired - Lifetime
- 2003-02-25 MX MXPA04008260A patent/MXPA04008260A/en active IP Right Grant
- 2003-02-25 TW TW092103831A patent/TW584699B/en not_active IP Right Cessation
- 2003-02-25 CA CA2476897A patent/CA2476897C/en not_active Expired - Lifetime
- 2003-09-25 US US10/671,225 patent/US6852037B2/en not_active Expired - Lifetime
- 2003-09-25 US US10/671,306 patent/US6843729B2/en not_active Expired - Lifetime
-
2005
- 2005-02-10 US US11/055,510 patent/US20060065084A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
JP4340158B2 (en) | 2009-10-07 |
US20040062623A1 (en) | 2004-04-01 |
AU2003217692A1 (en) | 2003-09-09 |
MXPA04008260A (en) | 2005-05-27 |
EP1483085B1 (en) | 2012-08-08 |
TW200303398A (en) | 2003-09-01 |
ES2395106T3 (en) | 2013-02-08 |
CN1638922A (en) | 2005-07-13 |
US6852037B2 (en) | 2005-02-08 |
EP1483085A1 (en) | 2004-12-08 |
CN100379524C (en) | 2008-04-09 |
TW584699B (en) | 2004-04-21 |
JP2005518510A (en) | 2005-06-23 |
US20030159551A1 (en) | 2003-08-28 |
EP1483085A4 (en) | 2009-11-11 |
US20060065084A1 (en) | 2006-03-30 |
CA2476897C (en) | 2011-09-20 |
US20040058739A1 (en) | 2004-03-25 |
WO2003072309A1 (en) | 2003-09-04 |
US6843729B2 (en) | 2005-01-18 |
US6890139B2 (en) | 2005-05-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2476897A1 (en) | Fastener having recess useable with multiple drivers and method of manufacture | |
GB1473969A (en) | Recessed screw heads and drivers | |
BR0108795A (en) | Rock drill bit and method for its manufacture | |
CN102177353B (en) | Structure of cross-shaped groove of screw for fit with driver bit | |
US20030059276A1 (en) | Screw socket opening for receiving various tool bits | |
CA2308662A1 (en) | Screw with an improved head structure and punch for forming same | |
WO2003025403A3 (en) | Screw head formation | |
CA2861970C (en) | Fastener with multilobular tool engaging portion | |
GB2092253A (en) | Improvements in screws and fasteners | |
TW200637980A (en) | Bolt and punch | |
JP2008256124A (en) | Screw with bit engaging hole, combination of group of screw with bit engaging hole and driver bit, and geometry setting means of bit engaging hole | |
US6406376B1 (en) | Compound screw drive recesses mold | |
CA1275188C (en) | Drill screw | |
JP4860725B2 (en) | Screws with bit engagement holes and a group of screws with bit engagement holes and driver bits | |
CN218576139U (en) | Hammering tool | |
CN214533916U (en) | Miniature self-plugging rivet | |
US8850934B2 (en) | Screwdriver blade with inclined drive surfaces and method of manufacturing | |
CN205497803U (en) | Electric hammer drill cold -heading piece | |
TW202428992A (en) | Tool and fastener with overhang structures to reduce stripping | |
JPH0533260Y2 (en) | ||
CA2002162A1 (en) | Screwdriver bit for phillips-head fasteners | |
JPS62224714A (en) | Forged drill screw |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |
Effective date: 20230227 |